<schema xmlns="http://www.w3.org/2001/XMLSchema"        
        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
        targetNamespace="http://www.w3.org/1999/02/22-rdf-syntax-ns#">

    <!-- the RDF namespace needs to be verified -->
    
    <element name="RDF">
        <complexType>
            <sequence>
                <any namespace="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
                     minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
            </sequence>
        </complexType>
    </element>
    
</schema>
